Hectograph printing-press



(N0.Mode1.)' 4 Sheets-Sheet 1.

H. H. HARRISON & RC. BUPPUM. HBGTOGRAPH PRINTING PRESS.

No. 427,077. Patented May 6,1890.

C(No Model.) 4 Sheets-Sheet 2. H. H. HARRISON & F. G. BUFFUM. HBGTOGRAPH PRINTING PRESS.

N0. 427 077. Patented May 6, 1890.

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WITNESSES: MIME/VIM 5% BY 9% W M m ATTORNEY (No Model.) 4 SheetsSheet a.

H. H. HARRISON & F. O. BUFFUM. HEGTOGRAPH PRINTING PRESS.

N0. 427,077. Patented May 6,1890.

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UNITED STATES PATENT OFFIC HENRY H. HARRISON, OF NEW YORK, N. Y., AND FREDERICK C. BUFF UM, OF

STANTON, FLORIDA.

HECTOGRAPH PRINTING-PRESS.

SPECIFICATION forming part of Letters Patent No. 427,077, dated May 6 1890.

Application filed ebruary 12, 1839- Serial No. 299,614. (No model.)

To all whom it may concern: 7

Be it known that we, HENRY H. HARRISON, of the city, county, and State of New York, and FREDERICK C. BUEFUM, of Stanton, in the county of Marion and State of Florida,

have invented a new and Improved Hectograph Printing-Press, of which the following is a full, clear, and exact description. Reference is to be had to the accompanying 1o drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a broken plan view of our invention. Fig.2 2 is a broken front elevation. r 5 Fig. 3 is a side elevation. Fig. 4. shows a modified form of mutilated cam and gear wheel. Fig. 5 is a central sectional elevation taken on the line to :r of Fig. 1. Fig. 6 is a detailed view of the drawing-rollers and a portion of the gearing for operating the same, and Fig. 7 is a transverse sectional view of the same on line 3 y of Fig. 6.

The invention will first be described in connection with the drawings, and then pointed 2 5 out in the claims.

3 5 on the end of the printing or copying roller E, which rests on the impression-cylinder D and is held in open bearings, in this instance the half-bearingsf made a part of the pivoted arm F. A spring f acts upon each arm F between it and a screw f by which the pressure may be regulated.

G represents the hectograph material applied to a cylinder or sleeve G, of tin or other thin substance, placed loosely on the roller E, as shown clearly in Fig. 5. The upper rim of each of the side frames B B is formed with a passage B through which the ends of the shaft of the roller E may be passed, thus allowing said cylinder to be removed from the machine, so that the shell or sleeve G,

with its hectographic material, may be removed and another put in its place and the whole easily returned to position in the machine. Inthis manner-that is, by adapting the roller E to be removed and by employing the sleeve G, on whichthe hectographic material is placed-the supplying of the machine with new copying-cylinders is a matter of very small expense and trouble.

In order to prevent the hectographic mate- 6:) rial from slipping endwise 011 the sleeve G, we wrap the sleeve with wire or cord G as shown clearly in. Fig. 1; but this may be omitted or other means substituted.

In front of the rollers D E are placed the drawing-rollers H H on shafts J J, respectively. These rollers serve to draw the paper K from the reel L through between the printing-rollers, and also to prevent the paper from adhering to the hectographic material. Motion is imparted to the rollers H H from the gear-wheel D on the impression-cylinder, the same meshing with the pinion M on the shaft M. The shafts J J are geared together by the pinions J J, and a pinion M on shaftM meshes with the pinion J as shown clearly in Figs. 6 and 7, so that when cylinder D is revolved by turning the crank N the rollers H H will be revolved in the same direction as the printing-cylinders.

0 (see Fig. 5) is a small depressing rod or roller placed back of the drawing-roller H in the angle formed by the contiguous surfaces of the rollers D H. The paper as it issues from the printing surfaces passes down under this rod or roller 0, as shown in Fig. 5,so that the paper will be detached from the hectographic material as soon as the impression is made.

As the paper issues from the machine it is cut by shears composed of the stationary blade P and the pivoted blade P. This lat ter blade is formed with the extension P to which downward and laterally acting springs P are attached for normally holding the shears open and forcing the cutting part of the blade P toward the stationary blade, so that there will be no failure when blade P is closed in cutting the paper. The said blade P is operated by the oentrally=pivoted double IOO crank or lever Q, one arm q of which reaches under the extension P of the blade P, the other arm q reaching back in the orbit or range of the curved flange or cams on the mutilated geai wheel S,which cam operates to depress the arm q of the said lever, which elevates the arm g, which in turn throws down the blade P of the shears and cuts the paper.

The mutilated gear-wheel Sis journaled on the gudgeon S, attached to the side frameB and by its cog-teeth s, meshing with the pinion T on the shaft of the impression-cylinder D, imparts intermittent motion to the whole machine, the printin or copying mechanism remaining at rest while the cutting is performed. A v

The printing mechanism is locked in dormant position by the pawl U, adapted to engage with the pinion T, and this pawl immediately after the cutting is effected is lifted out of engagement of the pinion T by a stud s on the gear S. (Shown clearly in Fig.

In doing rapid Work, in place of the singleacting wheel S (shown in Fig. 3) we shall use the double acting wheel shown in Fig. 4, formed with two sets of gear-teeth 5, two camflanges s, and two studs 8 so that two impressions will be taken at each revolution of the wheel, and likewise two operations of the shears.

The reel L, to hold the roll K of paper, comprises on one side the rod L ,held in a sleeve Z on the side frame B ,in which sleeveit may be adjusted and secured by the set-screw l. The rod L carries the flange L and the cone L which latter enters the end of the roll, as shown clearly in Fig. 1. On the opposite side the reel is composed of the rod V, flange V and cone V The rod V is placed loosely in a tube or socket V held in the sleeve 12 of the side frame 13,111 which the said socket maybe adjusted to suit paper of different widths, the sleeve being provided with a setscrew 0; for fastening the said sleeve at any desired position. 111 the sleeve V is placed the coiled spring WV, which acts on the rod V, forcing it outward to press on the roll K to produce the required tension. The pressure of the spring WV maybe regulated by the screwrod WV engaging a screw-threaded aperture in the inner end of the rod V and the jamnut to placed on the rod outside of the sleeve V The rod WV also serves as a means to withdraw the cone V to insert or remove a roll of paper.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is

l. The impression-cylinder D and printingroller E, having the hectographic material C surrounding the same, in combination with the shears P P, the drawing-rollers H H, located with their meeting surfaces in line with the contact-point of the impression-cylinder and printing-roller and between the same and the said shears, and the rod 0, placed in the space between the adjacent surfaces of the impression-cylinder and the roller 11' and below the point of contact between the impression-cylinder and the printing-roller and below the point of contact between the drawingoff rollers, substantially as described.

2. The hollow cylinder G, of tin or other material, wrapped with wire or cord G and having the hectographic material G applied to its outer surface and placed loosely upon the roller E, substantially as and for the purposes set forth.

HENRY H. HARRISON. FREDERIOK C. BUFFUM. \Vitnesses to Henry II. Harrison:

H. A. WEsT, G. SEDGWIOK. \Vitnesses to Frederick C. Buffnm:

Z. O. CI-IAMBLISS, O. E. CONNOR. 

